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b8849e236f
The interfaces to retrieve signing keys and their IDs are misdesigned as they return string constants even though they indeed allocate memory, which leads to memory leaks. Refactor the code to instead always return allocated strings and let the callers free them accordingly. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
#ifndef GPG_INTERFACE_H
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#define GPG_INTERFACE_H
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struct strbuf;
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#define GPG_VERIFY_VERBOSE 1
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#define GPG_VERIFY_RAW 2
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#define GPG_VERIFY_OMIT_STATUS 4
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enum signature_trust_level {
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TRUST_UNDEFINED,
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TRUST_NEVER,
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TRUST_MARGINAL,
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TRUST_FULLY,
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TRUST_ULTIMATE,
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};
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enum payload_type {
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SIGNATURE_PAYLOAD_UNDEFINED,
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SIGNATURE_PAYLOAD_COMMIT,
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SIGNATURE_PAYLOAD_TAG,
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SIGNATURE_PAYLOAD_PUSH_CERT,
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};
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struct signature_check {
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char *payload;
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size_t payload_len;
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enum payload_type payload_type;
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timestamp_t payload_timestamp;
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char *output;
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char *gpg_status;
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/*
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* possible "result":
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* 0 (not checked)
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* N (checked but no further result)
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* G (good)
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* B (bad)
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*/
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char result;
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char *signer;
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char *key;
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char *fingerprint;
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char *primary_key_fingerprint;
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enum signature_trust_level trust_level;
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};
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void signature_check_clear(struct signature_check *sigc);
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/*
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* Look at a GPG signed tag object. If such a signature exists, store it in
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* signature and the signed content in payload. Return 1 if a signature was
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* found, and 0 otherwise.
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*/
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int parse_signature(const char *buf, size_t size, struct strbuf *payload, struct strbuf *signature);
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/*
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* Look at GPG signed content (e.g. a signed tag object), whose
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* payload is followed by a detached signature on it. Return the
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* offset where the embedded detached signature begins, or the end of
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* the data when there is no such signature.
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*/
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size_t parse_signed_buffer(const char *buf, size_t size);
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/*
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* Create a detached signature for the contents of "buffer" and append
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* it after "signature"; "buffer" and "signature" can be the same
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* strbuf instance, which would cause the detached signature appended
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* at the end. Returns 0 on success, non-zero on failure.
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*/
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int sign_buffer(struct strbuf *buffer, struct strbuf *signature,
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const char *signing_key);
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/*
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* Returns corresponding string in lowercase for a given member of
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* enum signature_trust_level. For example, `TRUST_ULTIMATE` will
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* return "ultimate".
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*/
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const char *gpg_trust_level_to_str(enum signature_trust_level level);
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void set_signing_key(const char *);
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char *get_signing_key(void);
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/*
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* Returns a textual unique representation of the signing key in use
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* Either a GPG KeyID or a SSH Key Fingerprint
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*/
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char *get_signing_key_id(void);
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int check_signature(struct signature_check *sigc,
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const char *signature, size_t slen);
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void print_signature_buffer(const struct signature_check *sigc,
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unsigned flags);
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#endif
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